ISRC DEF059703251
Verified recording
DEF059703251 is “Piano Sonata No. 11 in B-Flat Major, Op. 22: I. Andante con variazioni” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xf530c06a6562e36d59aaef6e9229eaeb705f706112c41e04d51487c613deb3f1 and independently timestamped
in Bitcoin block 960157 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059703251.
Recording identifiers
- ISRC
- DEF059703251
- Title
- Piano Sonata No. 11 in B-Flat Major, Op. 22: I. Andante con variazioni
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xf530c06a6562e36d59aaef6e9229eaeb705f706112c41e04d51487c613deb3f1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:12:10+00:00
- Bitcoin block
- 960157
- Canonical record hash
sha256:9ced613e2cab6036ec2fcb2eb16772a0ffa97743f55cbaae0bb4994c279ddd6e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059703251
- Bitcoin block existence check
- https://blockstream.info/api/block/960157
Full record
Track page: Piano Sonata No. 11 in B-Flat Major, Op. 22: I. Andante con variazioni · Machine-readable JSON-LD